[PATCH] libelf: Use offsetof to get field of unaligned

gcc undefined sanitizer flags: elf_begin.c:230:18: runtime error: member access within misaligned address 0xf796400a for type 'struct Elf64_Shdr', which requires 4 byte alignment struct. This seems a wrong warning since we aren't accessing the field member of the struct, but are taking the addres

Re: [PATCH] libelf: Use offsetof to get field of unaligned

* Mark Wielaard: > This seems a wrong warning since we aren't accessing the field member > of the struct, but are taking the address of it. But we can do the > same by adding the field offsetof to the base address. Which doesn't > trigger a runtime error. I think the warning is correct. I believ

[PATCH] libdwfl: Make sure phent is sane and there is at least one phdr

dwfl_link_map_report can only handle program headers that are the correct (32 or 64 bit) size. The buffer read in needs to contain room for at least one Phdr. https://sourceware.org/bugzilla/show_bug.cgi?id=28660 Signed-off-by: Mark Wielaard --- libdwfl/ChangeLog | 6 ++ libdwfl/link_map.

[Bug libdw/28660] ASan seems to complain about a "heap-buffer-overflow"

https://sourceware.org/bugzilla/show_bug.cgi?id=28660 Mark Wielaard changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Assignee|unassigne

Re: [PATCH] debuginfod/debuginfod-client.c: use long for cache time configurations

Hi, On Thu, Dec 09, 2021 at 06:35:14AM -0500, Frank Ch. Eigler via Elfutils-devel wrote: > > x32, riscv32, arc use 64bit time_t even while they are 32bit > > architectures, therefore directly using integer printf formats will not > > work portably. > > > Use a plain long everywhere as the interv

[Bug libdw/28660] ASan seems to complain about a "heap-buffer-overflow"

https://sourceware.org/bugzilla/show_bug.cgi?id=28660 --- Comment #6 from Evgeny Vereshchagin --- Thanks! I can confirm that the issue is gone. I tested it in https://github.com/evverx/elfutils/pull/53 by adding that file to the testsuite in https://github.com/evverx/elfutils/pull/53/commits/38c

Buildbot failure in Wildebeest Builder on whole buildset

The Buildbot has detected a new failure on builder elfutils-centos-x86_64 while building elfutils. Full details are available at: https://builder.wildebeest.org/buildbot/#builders/1/builds/884 Buildbot URL: https://builder.wildebeest.org/buildbot/ Worker for this Build: centos-x86_64 Build

[Bug libdw/28660] ASan seems to complain about a "heap-buffer-overflow"

https://sourceware.org/bugzilla/show_bug.cgi?id=28660 --- Comment #7 from Evgeny Vereshchagin --- > Interestingly, something started to trigger unreproducible MSan crashes but > I'm inclined to say it was probably a fluke. It wasn't a glitch. The file I added to the test suite was also automatic